Device for skin treatment



FIG. 1 is a perspective view of a device for skin treatment showing my new design;

FIG. 2 is a back view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines shown in the figures are included for the purpose of illustrating portions of the device for skin treatment and form no part of the claimed design. 

CLAIM The ornamental design for a device for skin treatment, as shown and described. 